Description
X320548 Variable Speed Pump for H2X Challenger Swim Spas
The X320548 is a variable speed pump (VSP) designated as Pump 1 for the H2X Challenger series swim spas by Master Spas. This 56-frame pump operates on 115V/60Hz at 4.6 amps and provides adjustable flow rates for both swimming current and water circulation, combining performance with energy efficiency.
Key Features & Specifications
- Pump Type: Variable Speed (VSP)
- Amperage: 4.6A
- Voltage: 115V, 60 Hz
- Frame Size: 56 Frame
- Designation: Pump 1 (primary swim jet pump)
- Master Spas Part Number: X320548
Compatibility
This pump is designed specifically for the following H2X Swim Spa models:
- H2X Challenger 19D (2019, 2020, 2022)
- H2X Challenger 18D (2019, 2020, 2022)
- H2X Challenger 15D (2019, 2020, 2022)
- H2X Challenger 18D Pro (2019, 2020, 2022)
About Variable Speed Swim Spa Pumps
Variable speed pumps allow you to adjust the swim current intensity and water flow to match your exercise or relaxation needs. Compared to fixed-speed pumps, VSP models typically run more quietly and consume less energy at lower speed settings.
Installation
This is a complete pump assembly designed for direct replacement in H2X Challenger swim spa cabinets. The 56-frame form factor matches the original equipment mounting. Professional installation by a qualified technician is recommended.
Common Symptoms & When to Replace
Signs that your swim spa pump may need replacement include inconsistent swim current strength, unusual vibrations or noise during operation, error codes on the control panel related to pump function, or visible leaks around the pump housing.




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